201828860

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{1597}}^1$

素因数の和:1766

約数の個数: 48

約数和(自身を含む): 434911680

約数和(自身を除く): 233082820

約数列:

[1, 2, 4, 5, 10, 20, 71, 89, 142, 178, 284, 355, 356, 445, 710, 890, 1420, 1597, 1780, 3194, 6319, 6388, 7985, 12638, 15970, 25276, 31595, 31940, 63190, 113387, 126380, 142133, 226774, 284266, 453548, 566935, 568532, 710665, 1133870, 1421330, 2267740, 2842660, 10091443, 20182886, 40365772, 50457215, 100914430, 201828860]

約数ペア:

[(1, 201828860), (2, 100914430), (4, 50457215), (5, 40365772), (10, 20182886), (20, 10091443), (71, 2842660), (89, 2267740), (142, 1421330), (178, 1133870), (284, 710665), (355, 568532), (356, 566935), (445, 453548), (710, 284266), (890, 226774), (1420, 142133), (1597, 126380), (1780, 113387), (3194, 63190), (6319, 31940), (6388, 31595), (7985, 25276), (12638, 15970)]